.ul_version_area {
  position: absolute;
  width: 100px;
  background: #ffffff;
  box-shadow: 0px 0px 8px 3px #d5d1d1;
  border-radius: 4px;
  padding: 30px;
  transition: all 0.5s;
  right: 0;
}
.ul_version_area li {
  cursor: pointer;
  padding: 8px;
}
.ul_version_area li:hover {
  background-color: #5eb95e;
  color: white;
}
.ul_version_area a {
  position: absolute;
  right: -6px;
  top: 4px;
  width: 20px;
  height: 20px;
  text-align: center;
  text-decoration: none;
  border-radius: 50% 50%;
  line-height: 16px;
  cursor: pointer;
}
.hidden,
.hide {
  display: none;
}
